#ifndef _H_BASIC
#define _H_BASIC

#include <QThread>
#include <QTextStream>

static QTextStream out(stdout);

extern int __c1;

void sleep(unsigned long t);

QString deleteExt(QString s);

void solveEquation(double **_A, double *_b, double *x, int n);

double sqr(double x);

#endif
